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    Home » Desserts

    Jun 3, 2009 · Modified: Feb 23, 2023 by Sues · This post may contain affiliate links, uses cookies, and generates income via ads · View privacy policy + disclosure statement linked in footer · 25 Comments

    Guinness Cupcakes

    Jump to Recipe Print Recipe

    Beer in cupcakes? These Guinness Cupcakes have Guinness in both the cupcake and the frosting and are absolutely delicious. They're the perfect St. Patrick's Day dessert, but can be enjoyed any time of year!

    Head-on view of a Guinness cupcake with Guinness frosting and green sprinkles with more cupcakes and can of Guinness in the background with recipe title at top.

    (This recipe for Guinness Cupcakes was originally published in June 2009, but was updated with new photos in 2020).

    Jump to:
    • ❤️ Why you'll love this recipe
    • 🗒 Ingredients
    • 🧈 Why use melted butter in cupcakes?
    • 🧁 How to make Guinness cupcakes
    • 🎂 How to make Guinness frosting
    • 🎉 Flavor variations
    • ⏲️ How to store
    • ☘️ More St. Patrick's Day treats
    • 📖 Recipe
    • 💬 Comments

    After realizing alcohol in cupcakes is amazing (see red wine cupcakes), my mind started working overtime. What else could I do? What other spirits could I involve in my baked goods?

    Then I realized the only logical next step. Beer! But beer in a cupcake? Would it work? I immediately thought that Guinness would be the best bet. Really, you could use any kind of stout beer here, but since Guinness is basically the official beer of St. Patrick's Day, I chose the super popular brand and got to work.

    And these cupcakes certainly do work! The Guinness helps make these chocolate cupcakes especially moist and incredibly flavorful. Yes, they're perfect for St. Patrick's Day, but Guinness cupcakes can be served any time of year!

    ❤️ Why you'll love this recipe

    You'll love these cupcakes because they're way more interesting and delicious than the typical chocolate cupcake.

    Not only do the Guinness beer and sour cream in the cupcakes help make them more moist, but the melted butter helps make them ultra rich.

    The cupcakes are super easy to make (you don't need a stand mixer or even an electric hand mixer!) and are perfect for any Guinness lover or any St. Patrick's Day celebration!

    🗒 Ingredients

    Aside from a can of Guinness, this dessert involves pretty typical chocolate cupcake ingredients and you likely have most of them in your pantry already.

    Here's everything you need for the cupcakes (please see recipe card at the bottom of this post for ingredient amounts and full recipe instructions):

    • Guinness
    • Unsalted butter
    • Unsweetened cocoa powder
    • Dark brown sugar
    • Sour cream
    • Large eggs
    • Vanilla extract
    • All-purpose flour
    • Baking soda
    • Salt

    And here's what you'll need for the Guinness frosting:

    • Unsalted butter
    • Confectioners' sugar
    • Salt
    • Guinness

    🧈 Why use melted butter in cupcakes?

    These Guinness cupcakes are very easy to make, though this technique is just just a little bit different in that it has you melting the butter into the beer as the first step. You thought Guinness was delicious... How about Guinness with butter mixed in?

    Using melted butter in cupcakes results in a bit of a denser and richer cake. So, this may not be the recipe for you if you are looking for super light and fluffy cupcakes. But if you like a sturdier cake, these are perfect!

    There tends to be a fine line for density in baking. "Dense" can get a bad name, but when it comes to chocolate cakes, I often love a little density as it makes them richer and more decadent.

    The dark brown sugar and sour cream contribute to this richness a bit, too. Overall, this technique results in the ideal chocolate cupcakes for me.

    Another great thing about this melted butter cupcake method is that you don't need a stand mixer or even a hand mixer... It's all done in the large saucepan in which you melt the butter and Guinness together!

    🧁 How to make Guinness cupcakes

    To start, line 2 cupcake tins with cupcake liners and preheat the oven to 350 degrees.

    Add Guinness and cubed butter in a large saucepan over medium heat and whisk until butter melts; remove from heat.

    Guinness and cubed butter in saucepan.

    Whisk in cocoa powder and brown sugar.

    In a separate small bowl, whisk together the sour cream, eggs, and vanilla. Add that to the beer and butter mixture.

    Guinness chocolate cupcake batter with whisk in saucepan.

    In a separate large mixing bowl, sift together flour, baking soda, and salt. I do recommend sifting since I've noticed this batter has a tendency to get a bit lumpy and sifting the dry ingredients definitely helps prevent this from happening.

    Combine flour mixture into the chocolate mixture, folding until the dry ingredients are all incorporated and most lumps are gone. But take care not to over-mix as this can result in dry cupcakes. It's OK if you have a few lumps!

    Finished chocolate Guinness cupcake batter in saucepan with rubber spatula.

    Divide the batter between the cupcake liners, filling them about ¾ of the way full.

    Guinness cupcake batter in cupcake tin.

    And bake the cupcakes at 350 degrees for 19-21 minutes, until a toothpick stuck into the center of a cupcake comes out clean.

    Chocolate Guinness cupcakes just out of the oven in cupcake tin.

    Let cool for a few minutes in the pans before removing to a rack to let cool completely. 

    🎂 How to make Guinness frosting

    The first time I made these Guinness cupcakes, I made a sour cream frosting, which was delicious. But this time I opted for a Guinness frosting instead. Really, it's just a simple buttercream frosting with Guinness mixed in instead of milk.

    If you want to get really crazy, you can add a couple drops of green food coloring to your Guinness frosting, but I kept my frosting natural and added a green sprinkle mix instead. Plus, I used some green cupcake papers.

    I used a Wilton #1A piping tip to frost the cupcakes, which I think is one of the easiest and visually appealing ways.

    Overhead view of a Guinness cupcake with buttercream and green sprinkles with more cupcakes and can of Guinness in background.

    If you're not planning to bring all 24 Guinness chocolate cupcakes to a St. Patrick's Day celebration, I recommend digging into one right away.

    I think I love everything about these. I really like that the beer flavor is present, but not overpowering. Guinness fans will likely go wild for these, but your friends who don't like beer should also enjoy them.

    Because that chocolate flavor is bursting through the subtle nuttiness of the the beer.

    Similarly, the Guinness frosting is a dream. It's light and fluffy and perfectly sweet with a super subtle Guinness taste. If you're going to celebrate Guinness this St. Patrick's Day (or any day), you may as well go big, right??

    But really, you can make these cupcakes at any time of year, because stout is always in style and there's no wrong time for chocolate stout cupcakes.

    🎉 Flavor variations

    The Guinness in these cupcakes is obviously pretty imperative. But there's a lot you can do to switch up these cupcakes and make them your own. Here are a few ideas:

    • I love the double dose of Guinness in both the cake and the frosting, but Baileys Irish Cream also makes an amazing frosting. Just replace the Guinness with Baileys.
    • If you love cream cheese frosting, it goes really well with rich chocolate cupcakes and would be great here. Just note that the cupcakes should be refrigerated if they have cream cheese frosting on them.
    • You can also feel free to make a filling for the cupcakes. You can either make more of the Guinness buttercream or you can make a Bailey's buttercream frosting filling or an Irish Whiskey filling (with Irish whiskey or Irish Cream liqueur). Or if you prefer, you can simply fill the cupcakes with a little chocolate ganache!
    • As I mentioned above, if you want fun green frosting, you can use food coloring to dye your frosting green!
    Landscape overhead view of multiple Guinness cupcakes with can of Guinness next to them.

    ⏲️ How to store

    While these Guinness cupcakes are always best the day they're made, frosted cupcakes can be stored in an airtight container at room temperature for 2-3 days.

    You can store cupcakes for longer in the refrigerator, but take note that refrigerating the cupcakes with suck some of the moisture and may dry the cupcakes out.

    ☘️ More St. Patrick's Day treats

    If you're looking for more goodies to serve for St. Patrick's Day, I have lots of fun recipes for you... Many of them involving Lucky Charms and stouts! Here are some of my favorites:

    • Baileys Ice Cream
    • Lucky Charms Cookie Dough Bars
    • Mint Macarons with Baileys Buttercream
    • Chocolate Mint Chocolate Chip Cupcakes
    • Lucky Charms Ice Cream
    • Chocolate Stout Brownies
    • Guinness Donuts with Irish Whiskey Frosting
    • Lucky Charms Hot Chocolate
    • Chocolate Stout Cupcakes with Baileys Frosting
    • Guinness Chocolate Cake (from Saving Room for Dessert)

    And one of my favorite savory St. Patrick's Day recipes are these delicious corned beef melts!

    Head-on view of a Guinness cupcake with Guinness frosting and green sprinkles with more cupcakes and can of Guinness in the background.

    And can I tell you a secret? These cupcakes taste even better with a glass of Guinness on the side!

    Do you like to bake with Guinness during St. Patrick's Day?

    📖 Recipe

    Closeup view of a Guinness cupcake with Guinness frosting and green sprinkles.

    Guinness Cupcakes

    Beer in cupcakes? These Guinness Cupcakes have Guinness in both the cupcake and the frosting and they're absolutely delicious. They're the perfect St. Patrick's Day dessert, but can be enjoyed any time of year!
    5 from 1 vote
    Print Pin Rate
    Course: Dessert
    Cuisine: American, Eclectic
    Keyword: Beer Desserts, Boozy Cupcakes, St. Patrick's Day Dessert
    Prep Time: 20 minutes
    Cook Time: 20 minutes
    Total Time: 40 minutes
    Makes: 24 cupcakes
    Author: Sues

    Ingredients

    • 1 ½ cups Guinness
    • 9 Tbsp (1 stick + 1 Tbsp) unsalted butter, cut into cubes
    • ¾ cup unsweetened cocoa powder
    • 2 cups dark brown sugar
    • ¾ cup sour cream
    • 2 large eggs
    • 1 Tbsp vanilla
    • 2 cups all-purpose flour
    • 2 ½ tsp baking soda
    • ¼ tsp salt

    Guinness Frosting

    • 1 cup (2 sticks) unsalted butter, room temperature
    • 4 cups confectioners' sugar
    • ¼ tsp salt
    • 3 Tbsp Guinness

    Instructions

    • Pre-heat oven to 350 degrees and line 2 cupcake tins with cupcake papers.
    • Place Guinness and cubed butter in a large saucepan over medium heat. Whisk until butter melts; remove from heat.
    • Whisk in brown sugar and cocoa powder.
    • In a separate small bowl, whisk together the sour cream, eggs, and vanilla. Whisk this mixture into the Guinness mixture.
    • In a separate large bowl, sift together flour, baking soda, and salt. Fold this mixture into the Guinness mixture. Take care not to over-mix; a few lumps in your batter is OK.
    • Bake cupcakes for 18-21 minutes, until a toothpick stuck into the center comes out clean. Let cupcakes cool in pan for a few minutes before moving to racks to cool completely. 
    • Once cupcake are cooled, frost with Guinness Frosting. I use a Wilton #1A tip to frost mine. Top with sprinkles if desired.

    Guinness Frosting

    • In the bowl of a mixer or in a large bowl with a hand mixer, beat butter on medium speed until it’s nice and fluffy, 2-3 minutes.
    • Add confectioners’ sugar one cup at a time and beat until well-combined. Mix in salt.
    • Add Guinness and beat until combined. If frosting is too thin, add more confectioners' sugar a couple tablespoons at a time.

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    Guinness Cupcakes -- Beer in cupcakes? These Guinness Cupcakes have Guinness in both the cupcake and the frosting and are absolutely delicious. They're the perfect St. Patrick's Day dessert, but can be enjoyed any time of year | wearenotmartha.com #guinness #cupcakes #beer #guinnesscupcakes #stpatricksday
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    Reader Interactions

    Comments

    1. Amanda says

      June 04, 2009 at 4:32 am

      I think I remember that you are in Boston, is that right? Last week I went to Kickass Cupcakes in Davis and they had three different kinds of cocktail-inspired cupcakes. There was a Singapore Sling (gin cupcake with a cherry baked inside and grenadine icing), Amaretto (chocolate cupcake with amaretto and almond icing), and, my favorite, the margarita (lime cupcake with Triple Second icing with just the tiniest bit of lime peeling and salt on top). I was certainly inspired!

    2. Fun and Fearless in Boston says

      June 04, 2009 at 5:38 am

      These cupcakes look delicious! Guinness + chocolate is always a good combination!

    3. adriana says

      June 04, 2009 at 7:31 am

      My friend made margarita cupcakes for Cinco de Mayo and they were AMAZING. You should definitely try those! I'll be trying these cupcakes very soon!

    4. krystle lynne. says

      June 04, 2009 at 8:42 am

      I made mini-versions of these for my family for Christmas Eve (we like our booze, what can I say?) and needless to say they were devoured in seconds.

      BUT! The part about them, is if you switch them from just plain old Guiness cupcakes, to Irish Car Bomb Cupcakes. All you have to do is mix a little bit of Jameson + Baileys into the frosting concoction and it adds just that little bit more of a flaaaava. So tasty.

      And they go over well at my bar when we make them sometimes, haha.

    5. Julie Q says

      June 04, 2009 at 8:47 am

      omg. just made this my work computer background. do you need my office address to mail me some? i'll gchat it to y'all. 🙂

    6. Joan says

      June 04, 2009 at 11:44 am

      What is it about cupcakes. Looking at them makes me smile every time.

    7. Anonymous says

      June 04, 2009 at 12:39 pm

      why do you always blog about cupcakes?

    8. Susan says

      June 04, 2009 at 4:08 pm

      I am so making them this weekend!

    9. Kristen says

      June 04, 2009 at 7:09 pm

      My go-to summer/alcoholic cupcake recipe is pineapple upside down cupcakes with coconut rum buttercream frosting. They are orgasmically delicious...just boozy enough that you get the taste of the rum and oh so yummy.

    10. H!L says

      June 05, 2009 at 6:28 am

      kickass cupcakes has definitely been scoping out the booze/cupcake track for awhile - they feature a mojito cupcakes on the regular, and have had "green monster" (sam adams stout/chocolate, basically the bahston cousins of the lovely looking guinness ones you made) and strawberry champagne cupcakes for valentine's day. what about going with a french martini cupcake, if you're thinking of a vodka one? pineapple and chambord icing may work...

    11. Kristy says

      June 05, 2009 at 9:59 am

      These sound and look really tasty! I like the idea of using beer for cooking so I’ll give these a try. I work for the BitterSweet Partnership in the UK, which was set up by Molson Coors to address the fact that the UK beer industry has traditionally ignored women.

      If you’re beer fans, take a look at our website (www.bittersweetpartnership.com/experiment) as we recently developed some recipes for beer cocktails – would love to know what you think.

    12. Justine says

      June 05, 2009 at 11:45 am

      Although i haven't made these in cupcake form, I did make a guinness cake once and it was great so I'm going to bookmark this!

    13. Single Serving says

      June 05, 2009 at 3:03 pm

      HA you & I are on the SAME kick... gotta save those calories when you're a Lush, might as well put them in the cupcakes. This weekend my girl & I are making Bellini & Pomegranate Martini ones, I'll tell you how they come out. These look fantastic! I totally agree about the Irish Car Bomb ones I'm so stealing those, I may try that this weekend also.

    14. Makeout Hobo says

      June 06, 2009 at 3:06 am

      Whenever I make these, I dust them with cocoa powder. It comes out super cute!

      And krystle lynne has had my carbomb cupcakes. I can't really remember which one of us came up with the idea, but they're even more delicious than the regular Guinness cupcakes.

      I do have one little trick with the Jameson, though. When the cupcakes (or cakes, I am a St. Patty's Day baby, so I made a cake version as my birthday cake) come out of the oven, I put some Jameson in a spray bottle and spray the cupcakes a bit. I found that my cupcakes/cakes were coming out a bit dry and by spraying them with Jameson, they turn out super moust, and in turn, super delicious!

    15. Anonymous says

      June 06, 2009 at 10:07 am

      if you liked these, check out the guinness cupcakes with jameson ganache center and bailey's frosting on smitten kitchen's blog.

    16. Kerstin says

      June 06, 2009 at 11:15 am

      Yum, they look great and addicting! I'd love to try a Cosmo cupcake! Cute blog 🙂

    17. Single Serving says

      June 09, 2009 at 3:07 am

      Oh my goodness, SO not a Pyscho don't know why my comment posted 3 times... hahaha!

      Thanks for the inspiration the cupcakes were a SMASH! ♥

    18. pinksundrops says

      June 09, 2009 at 5:00 pm

      Oh my goodness!! Guinness cupcakes?! They look delicious!

    19. Foodosaurus says

      December 29, 2009 at 9:59 pm

      I was looking for a NYE cupcake recipe, and stumbled upon these. Definitely on my list with a Bailey's buttercream frosting! YUM!

    20. Maria says

      March 15, 2010 at 11:31 am

      These are perfect for St. patty's day!

    21. Melissa says

      February 06, 2011 at 2:01 pm

      I love making cupcakes. I have made them with Baileys, egg nog ones with rum and even bananas foster with rum! Cupcakes with alcohol are great! Aim going to try your recipe for St. Patty's day!

    Trackbacks

    1. Introducing Video #FF – Episode 1 « Kick It Delicious says:
      June 18, 2010 at 9:06 am

      [...] Recipe yields 24 cupcakes.  Original available here. [...]

    2. Chocolate Guinness Cupcakes « Cupcakes and Wine says:
      August 15, 2011 at 12:35 pm

      [...] Cupcake recipe adapted from We Are Not Martha: [...]

    3. march madness « love it on purpose says:
      March 1, 2012 at 9:25 pm

      [...] are so making these cupcakes for St.Paddy’s day this [...]

    4. Grapefruit Blood Orange Cocktail « We are not Martha says:
      March 17, 2012 at 1:20 am

      [...] Guinness Cupcakes [...]

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